InChI=1S/C12H23NO13S3/c1-3-12(2,17)4-7(13-26-29(21,22)23)27-11-10(16)9(15)8(14)6(25-11)5-24-28(18,19)20/h6,8-11,14-17H,3-5H2,1-2H3,(H,18,19,20)(H,21,22,23)/b13-7+